| Area | The area of the item. |
| CertifiedInd | Indicates if an item has been certified. |
| ChimneyInfo | This aggregate contains information related to a chimney. |
| CompletedByCd | A code indicating who completed the form containing the Heating Unit Information. A code indicating the type of stove. This element uses the CompletedBy code list. |
| ConstructionCd | A code identifying the type of construction of the item. This element uses the ConstructionType code list. |
| FireplaceTypeCd | A code indicating the type of Fireplace found in the dwelling. This element uses the FireplaceType code list. |
| FrequencyCd | A code indicating the frequency something occurs. This element uses the Frequency code list. |
| FuelStorageLocationDesc | Used to describe the storage location of the fuel. |
| FuelTypeCd | A code indicating the type of fuel used. This element uses the FuelType code list. |
| HeatingUnitCd | A code indicating the type of the heating unit. This element uses the HeatingUnit code list. |
| HeatSourceOtherCd | A code indicating the type of fuel used in any other heating unit in use. This element uses the HeatSource code list. |
| InspectionInfo | This contains information regarding the inspection of an item. |
| INSTALLATION_CHOICE | Installation Choice |
| InstallationCd | A code indicating the installation type of the item. This element uses the Installation code list. |
| ItemInfo | The Item Information Aggregate is used to identify something and accommodate certain characteristics about something. |
| NumCordsUsed | Number of cords burned annually in the heating unit. |
| NumFaceCordsUsed | Number of face cords burned annually in the heating unit. |
| PlacementCd | A code indicating the placement of the item. This element uses the Placement code list. |
| ProtectiveMaterialInfo | The Protective Material Information aggregate contains information concerning protective material and related details. |
| ProximityInfo | The Proximity Information aggregate contains detailed information concerning the proximity of an item or object to other items or objects (ex. walls, floors, etc.). |
| QuestionAnswer | The Question and Answer aggregate allows for the additional underwriting questions outside of those found in the line-of-business specific underwriting or supplemental aggregates. |
| SlowCombustionInd | If 1 (true), the item uses a slow combustion method. If 0 (false), the item does not use a slow combustion method. For example, airtight stoves and airtight inserts by design are intended to burn fuel at a slower rate. |
| StoveTypeCd | A code indicating the type of stove. This element uses the StoveType code list. |
| UseCd | A code indicating the use of the item. This element uses the Use code list. |